Answer:
-16 (t+3) (t-3)
Step-by-step explanation:
x/230=43/215
your answer would be 46
x² + 3 = (-9)² + 3 { (-9)² = -9 *-9 = 81}
= 81 + 3
= 84
x + 6 = -9 + 6 = -3